Composite heavy metal stabilizing agent containing dithiocarboxylic acid functional star-like super-branched polymer, preparation method and application method thereof
The invention relates to a composite heavy metal stabilizing agent containing dithiocarboxylic acid functional star-like super-branched polymer, a preparation method and an application method thereof. The composite stabilizing agent is composed of dithiocarboxylic salt functional star-like super-bra...
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Zusammenfassung: | The invention relates to a composite heavy metal stabilizing agent containing dithiocarboxylic acid functional star-like super-branched polymer, a preparation method and an application method thereof. The composite stabilizing agent is composed of dithiocarboxylic salt functional star-like super-branched polymer which takes trimethylol propane as a core and ADA-4CSSNa, wherein a chemical reaction of the dithiocarboxylic salt functional star-like super-branched polymer which takes trimethylol propane as the core is shown as CH3CH2C[CH2OCOCH2CH2N(CSSM)CH2(CH2)nCH2N(CSSM)2]3, a chemical reaction of ADA-4CSSNa is shown as (MSSC)2NCH2(CH2)nCH2N(CSSM)2, and n is a positive integer from 0 to 10; and M is monovalent cation such as Na, K or NH. The heavy metal stabilizing agent has high efficiency stabilization effect and good acid and alkali performance on heavy metal in the garbage burning fly ash, and can reduce the risk of fly ash in long-term pollution environment; and the composite stabilizing agent is also suitable for processing waste water and soil polluted by heavy metal. |
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